Caiyai has a new address

Our new official website is https://www.caiyai.com. Please bookmark it in your browser. You can continue using this site during the transition.

Visit www.caiyai.com
Featured

Hackathons

Every event, every theme, every corner of the world.

2,644 results
H0: Hack the Zero Stack with Vercel v0 and AWS Databases
Ended
$80K
Online·Online
AmazonAmazon

H0: Hack the Zero Stack with Vercel v0 and AWS Databases

Online, May 27 - Jun 29, 2026

May 26, 20269.7K
H0: Hack the Zero Stack with Vercel v0 and AWS Databases
Ended
$80K
Online·Online
AmazonAmazon

H0: Hack the Zero Stack with Vercel v0 and AWS Databases

H0: Hack the Zero Stack with Vercel v0 and AWS Databases is a open Devpost hackathon. Submission window: May 27 - Jun 29, 2026.

AI & MLAR / VR
May 26, 20269.6K
Global AI Hackathon Series with Qwen Cloud
Ended
$45K
Online·Online
Alibaba CloudAlibaba Cloud

Global AI Hackathon Series with Qwen Cloud

Global AI Hackathon Series with Qwen Cloud is a open Devpost hackathon. Submission window: May 26 - Jul 09, 2026.

AI & MLProductivityEducation
May 25, 20265.4K
NexWave
Ended
₹23K
Online·Online
Jharkhand Raksha Shakti UniversityJharkhand Raksha Shakti University

NexWave

ViralWave – Technical Quiz & Coding Competition: ViralWave is a two-round technical competition designed to test both knowledge and practical coding skills. The event begins with Q...

AI & MLEducationAR / VR
May 24, 202688
ZEROBREACH CTF
Ended
₹40K
Online·Online
CyberSpaceVRCyberSpaceVR

ZEROBREACH CTF

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AI & MLAR / VR
May 23, 202620
SecLeaf Q2 CTF 2026
Ended
$1
Online·Online
SecLeafSecLeaf

SecLeaf Q2 CTF 2026

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AI & MLWeb3 & CryptoEducation
May 23, 2026109
Hackअस्त्र
Ended
$485
Online·Online
Ethical HCKEthical HCK

Hackअस्त्र

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AR / VR
May 29, 202686
Hardwear.io USA 2026 Hardware CTF
Ended
$8
Global, US, Santa Clara·In person
Hardware CTF by QuarkslabHardware CTF by Quarkslab

Hardwear.io USA 2026 Hardware CTF

Upcoming public CTF event from CTFtime. Format: Jeopardy.

Robotics & IoTProductivityAR / VR
May 29, 202621
Panther CTF 2026
Ended
₹5,000
Online·Online
SecLeafSecLeaf

Panther CTF 2026

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AR / VR
May 23, 20260
ZeroDayTM CTF
Ended
$3,900
Global, ICAM UVT, Timisoara, Romania·In person
ZeroDayTMZeroDayTM

ZeroDayTM CTF

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AI & MLOpen SourceEducation
May 22, 20260
Hack4Krak CTF 2026 - High School Edition
Ended
$1
Global, Poland, Cracow·In person
Hack4KrakHack4Krak

Hack4Krak CTF 2026 - High School Edition

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AI & MLOpen SourceEducation
May 23, 20269
DEF CON CTF Qualifier 2026
Ended
TBA
Online·Online
Benevolent Bureau of BirdsBenevolent Bureau of Birds

DEF CON CTF Qualifier 2026

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AR / VR
May 22, 2026528

Loading…